-33.58% is the change from 965 to 641
Calculation steps:
[( 641 - 965 ) ÷ 965] x 100 = -33.58%
Formula
Percentage change = [(641 - 965) / 965] x 100
Subtract the new number by the original number
641 - 965 = -324
-324 ÷ 965 = -0.33575129533678755
-0.33575129533678755 x 100 = -33.58%